As a Panasonic authorized reseller, APS is your single source provider of business phone systems in all of Houston and the surrounding areas including: Spring, Klein, Tomball, Magnolia, Cypress, Humble, Atascosita, Clear Lake, Sugarland, Bellaire, Katy, Cypress, The Woodlands and more. APS offers voice & data lines, voice mail, cabling, video conferencing systems as well as the full line of Panasonic products.